IO1508 Features: * Ultimate in travel comfort * Temperature and pressure sensitive viscose foam * Adjusts to body heat and contours for a custom fit * U-shaped design * Optimal head and neck support * Soothing massage vibration offers maximum comfort * Convenient carry strap attaches to luggage handles * Removable faux suede cover * Soft against skin * Inflates with just a few breaths * Deflates instantly Includes: * Includes two AA batteries Disclaimer: * Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.